{"id":"https://openalex.org/W4409095662","doi":"https://doi.org/10.1109/tsc.2025.3556642","title":"Synthetic Privacy-Preserving Trajectories With Semantic-Aware Dummies for Location-Based Services","display_name":"Synthetic Privacy-Preserving Trajectories With Semantic-Aware Dummies for Location-Based Services","publication_year":2025,"publication_date":"2025-04-02","ids":{"openalex":"https://openalex.org/W4409095662","doi":"https://doi.org/10.1109/tsc.2025.3556642"},"language":"en","primary_location":{"id":"doi:10.1109/tsc.2025.3556642","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2025.3556642","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Services Computing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://figshare.com/articles/journal_contribution/Synthetic_Privacy-Preserving_Trajectories_with_Semantic-aware_Dummies_for_Location-Based_Services/29813894","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5053579397","display_name":"Haojun Huang","orcid":"https://orcid.org/0000-0002-4154-8529"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haojun Huang","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0002-4154-8529","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Hao Sun","orcid":"https://orcid.org/0009-0009-8909-4448"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hao Sun","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0009-0009-8909-4448","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100603076","display_name":"Weimin Wu","orcid":"https://orcid.org/0000-0003-1565-0471"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Weimin Wu","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0003-1565-0471","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100337659","display_name":"Chen Wang","orcid":"https://orcid.org/0000-0003-1963-4954"},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chen Wang","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":"https://orcid.org/0000-0003-1963-4954","affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008424841","display_name":"Wuwu Liu","orcid":null},"institutions":[{"id":"https://openalex.org/I47720641","display_name":"Huazhong University of Science and Technology","ror":"https://ror.org/00p991c53","country_code":"CN","type":"education","lineage":["https://openalex.org/I47720641"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Wuwu Liu","raw_affiliation_strings":["School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic Information and Communications, Huazhong University of Science and Technology, Wuhan, China","institution_ids":["https://openalex.org/I47720641"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100607639","display_name":"Wang Miao","orcid":"https://orcid.org/0000-0002-7941-2715"},"institutions":[{"id":"https://openalex.org/I23923803","display_name":"University of Exeter","ror":"https://ror.org/03yghzc09","country_code":"GB","type":"education","lineage":["https://openalex.org/I23923803"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Wang Miao","raw_affiliation_strings":["Department of Mathematics and Computer Science, University of Exeter, Exeter, U.K"],"raw_orcid":"https://orcid.org/0000-0002-7941-2715","affiliations":[{"raw_affiliation_string":"Department of Mathematics and Computer Science, University of Exeter, Exeter, U.K","institution_ids":["https://openalex.org/I23923803"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100770003","display_name":"Geyong Min","orcid":"https://orcid.org/0000-0003-1395-7314"},"institutions":[{"id":"https://openalex.org/I23923803","display_name":"University of Exeter","ror":"https://ror.org/03yghzc09","country_code":"GB","type":"education","lineage":["https://openalex.org/I23923803"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Geyong Min","raw_affiliation_strings":["Department of Mathematics and Computer Science, University of Exeter, Exeter, U.K"],"raw_orcid":"https://orcid.org/0000-0003-1395-7314","affiliations":[{"raw_affiliation_string":"Department of Mathematics and Computer Science, University of Exeter, Exeter, U.K","institution_ids":["https://openalex.org/I23923803"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":7.6988,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.96756205,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"18","issue":"3","first_page":"1811","last_page":"1824"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9930999875068665,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9930999875068665,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11980","display_name":"Human Mobility and Location-Based Analysis","score":0.9842000007629395,"subfield":{"id":"https://openalex.org/subfields/3313","display_name":"Transportation"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10761","display_name":"Vehicular Ad Hoc Networks (VANETs)","score":0.9769999980926514,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8542842864990234},{"id":"https://openalex.org/keywords/information-privacy","display_name":"Information privacy","score":0.45607689023017883},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3874474763870239}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8542842864990234},{"id":"https://openalex.org/C123201435","wikidata":"https://www.wikidata.org/wiki/Q456632","display_name":"Information privacy","level":2,"score":0.45607689023017883},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3874474763870239}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/tsc.2025.3556642","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tsc.2025.3556642","pdf_url":null,"source":{"id":"https://openalex.org/S204223317","display_name":"IEEE Transactions on Services Computing","issn_l":"1939-1374","issn":["1939-1374","2372-0204"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Services Computing","raw_type":"journal-article"},{"id":"pmh:oai:ore.exeter.ac.uk:10871/140920","is_oa":false,"landing_page_url":"http://hdl.handle.net/10871/140920","pdf_url":null,"source":{"id":"https://openalex.org/S4306401998","display_name":"Open Research Exeter (University of Exeter)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I23923803","host_organization_name":"University of Exeter","host_organization_lineage":["https://openalex.org/I23923803"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Article"},{"id":"pmh:oai:figshare.com:article/29813894","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Synthetic_Privacy-Preserving_Trajectories_with_Semantic-aware_Dummies_for_Location-Based_Services/29813894","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:figshare.com:article/29813894","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/Synthetic_Privacy-Preserving_Trajectories_with_Semantic-aware_Dummies_for_Location-Based_Services/29813894","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Text"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G7471816229","display_name":null,"funder_award_id":"62372192","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":28,"referenced_works":["https://openalex.org/W1966517804","https://openalex.org/W1987228002","https://openalex.org/W2004986927","https://openalex.org/W2150447982","https://openalex.org/W2320517083","https://openalex.org/W2511693736","https://openalex.org/W2594020291","https://openalex.org/W2613582136","https://openalex.org/W2762786854","https://openalex.org/W2799924119","https://openalex.org/W2884368906","https://openalex.org/W2890836728","https://openalex.org/W2893136476","https://openalex.org/W2895224869","https://openalex.org/W2988349293","https://openalex.org/W3000465071","https://openalex.org/W3024155825","https://openalex.org/W3034245034","https://openalex.org/W3048586323","https://openalex.org/W4299734264","https://openalex.org/W4321488025","https://openalex.org/W4366999098","https://openalex.org/W4384303973","https://openalex.org/W4386090352","https://openalex.org/W4386590851","https://openalex.org/W4387491801","https://openalex.org/W4403917953","https://openalex.org/W4403976957"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W4391913857","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052"],"abstract_inverted_index":{"Trajectory":[0],"synthesis":[1,91],"with":[2,93,184,223],"a":[3,12,28,52,67,87,94,126],"series":[4,127],"of":[5,21,30,44,55,63,108,128,148,161,179,248],"fake":[6,196],"locations":[7,47,109,155,197,207],"has":[8,241],"been":[9,168,209],"deemed":[10],"as":[11,175],"promising":[13],"obfuscation":[14],"technology":[15],"to":[16,34,48,114,173,193,212,256],"preserve":[17],"the":[18,38,45,60,102,111,135,145,176,205,224,234,243,261],"individual":[19],"privacy":[20],"users":[22],"in":[23,66,202,217,246],"Location-Based":[24],"Services":[25],"(LBSs).":[26],"However,":[27],"number":[29],"previous":[31,244],"approaches":[32,245],"fail":[33],"take":[35],"into":[36,125],"consideration":[37],"geographic":[39,104,188],"distance":[40],"and":[41,70,105,138,156,187,253],"motion":[42],"direction":[43,218],"real":[46,64,112,182,200],"synthesize":[49,257],"trajectories.":[50,117],"As":[51],"result,":[53],"most":[54],"them":[56],"always":[57],"cannot":[58],"represent":[59,144],"statistical":[61],"characteristics":[62],"trajectories":[65,113,259],"privacy-preserving":[68,89,258],"manner,":[69],"thus":[71],"suffer":[72],"from":[73,110,170],"various":[74],"attacks":[75],"through":[76,100,220],"data":[77,124],"analysis.":[78],"To":[79],"tackle":[80],"this":[81,83],"issue,":[82],"paper":[84],"presents":[85],"SPSD,":[86],"novel":[88],"trajectory":[90,123,236],"approach":[92],"<inline-formula":[95,151,157,162,213,225],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[96,152,158,163,214,226],"xmlns:xlink=\"http://www.w3.org/1999/xlink\"><tex-math":[97,153,159,164,215,227],"notation=\"LaTeX\">$k$</tex-math></inline-formula>-anonymous":[98,228],"guarantee,":[99],"extracting":[101],"semantic,":[103],"directional":[106,251],"similarity":[107],"create":[115],"plausible":[116],"SPSD":[118,240],"first":[119],"classifies":[120],"all":[121],"historical":[122],"sets":[129],"for":[130,198],"location":[131,201],"identity,":[132],"by":[133],"introducing":[134],"visiting":[136,139],"time":[137,263],"duration,":[140],"which":[141],"can":[142],"clearly":[143],"semantic":[146,186,249],"information":[147],"locations.":[149],"Then,":[150],"notation=\"LaTeX\">$4k$</tex-math></inline-formula>":[154,165],"notation=\"LaTeX\">$2k$</tex-math></inline-formula>":[160],"ones":[166],"have":[167,208],"selected":[169],"each":[171,180,199],"set":[172],"act":[174],"initial":[177],"disguises":[178],"corresponding":[181],"location,":[183],"quantitative":[185],"similarities,":[189],"respectively.":[190],"In":[191],"order":[192],"find":[194],"enough":[195],"less":[203],"time,":[204],"candidate":[206],"narrowed":[210],"down":[211],"notation=\"LaTeX\">$k$</tex-math></inline-formula>":[216],"recovery":[219],"step-by-step":[221],"screening,":[222],"property.":[229],"Experiment":[230],"results":[231],"built":[232],"on":[233],"real-world":[235],"datasets":[237],"indicate":[238],"that":[239],"outperformed":[242],"terms":[247],"similarity,":[250],"accuracy":[252],"security":[254],"resistance":[255],"at":[260],"tolerable":[262],"cost.":[264]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3}],"updated_date":"2026-07-19T07:52:34.831488","created_date":"2025-10-10T00:00:00"}
